546 



Illinois Natural History Survey Bulletin 



Vol 



ume 



23 



Pin oak, 472, 498, 502, 505, 508 



Pine, 504 



Pintail 



banding, 334, 361, 369 



chronology of flight, 342 



feeding habits, 337, 368, 371 



kill, 351, 354, 362, 366, 369 



laws relating to, 331, 332, 354, 368, 371 



mortality quotient, 339, 343, 344, 345 



population, 366, 369 



density, influence of, 351, 354 



shooting pressure, 342, 354 

 quotient, 339, 345 



vulnerability, 337, 338, 339, 354, 370 

 quotient, 335, 339 

 Pistakee Lake, 394 

 Plataniis 



acerifolia, wetwood of, 408, 412, 419 



wetwood of, 407 

 Plum {see also Wild plum) 



slime flux of, 408 



squirrel use of, 510 

 Poa pratensis, 501 



Pokeberries, 504; see also Pokeweed 

 Pokeweed, 501 ; sec also Pokeberries 

 Polygonum, 338, 501 ; sec also Smartweeds 



scandens, 501 ; see also Climbing buckwheat 

 Pomoxis 



annularis, 388 



nigro-maculatus, 388—92; sec also Black 

 crappie 

 Pond lily, 377 

 Pontederia cordata, 111 

 Poplar, slime flux of, 408 

 Populus 



nigra italica, wetwood of, 407 



wetwood of, 407 

 Possession limit; see Duck 

 Prairie chicken, laws relating to, 340 

 Predator of wood duck; see Squirrel 

 Prosopis, wetwood of, 407 

 Primus 



americana, 500; see also Wild Plum 



serotina, 499; see also Black cherry. Wild 

 cherry 

 Prunus, wetwood of, 407 

 Pseudomonas lignicola, 422, 423, 444 

 Public shooting grounds, 368 

 Pumpkin, 501 

 Pumpkin ash, 499 



Q 



Quail, 520 

 Quercus 



alba, 498, 505 

 ■bicolor, 498, 505 

 borealis maxima, 498, 505 

 imbricaria, 498, 505 

 macro car pa, 498, 505 

 Muhlenbergii, 498, 505 

 palustris, 498, 505 



Quercus — co ntinued 



vclutina, 498, 505 ; see also Black oak 



wetwood of, 407 

 Querquedula discors (see also Blue-winged 

 teal) 



kill, 362 



R 



Rabbit, 472, 516; see also Cottontail rabbit 



Raccoon, 363, 449, 513 



Rana catesbeiana, 111 



Raspberry, 500, 521 



Red cedar, 499, 522 



Red fox, 473 



Red gum, 499 ; see also Sweet gum 



Red maple, 466, 498 



Red mulberry, 499; see also Mulberry 



Red oak, 498, 505 



Red squirrel, distribution of, 454, 529 



Red-tailed haw^k, 473 



Redbud, 499 



Redhead 



banding, 361 



feeding habits, 340 



flocking habits, 340 



kill, 351, 362 



laws relating to, 332, 333, 361, 368, 371 



mortality quotient, 345 



shooting pressure on, 361 



vulnerability, 340 

 Reelfoot Lake, 390, 392, 395, 397 

 Rhode Island, waterfowl hunting regulations 



in, 328 

 Rhus, 500 

 Ribes, 500 

 Ring-necked duck 



banding, 361 



chronology of flight, 355 



feeding habits, 340 



kill, 362, 366 



laws relating to, 332, 355, 368, 371 



mortality quotient, 339, 344, 345 



shooting pressure, 355 

 quotient, 339, 345 



vulnerability, 340, 370 

 quotient, 339 

 River bulrush, 338 

 Robinia pseudoacacia, 499 

 Rock River, 492 

 Round worm, 471 



Rubus, 500 ; see also Blackberry, Raspberry 

 Ruddy duck ; sec also Butterball 



chronology of flight, 3 55 



kill, 362, 366 



laws relating to, 332, 355, 361, 371 



mortality quotient, 339, 343, 344, 345 



shooting pressure, 345, 361 

 quotient, 339, 345, 361 



vulnerability, 339, 340, 355, 370 

 quotient, 339 

 Rye, 501, 503 



